package org.example.jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

/**
 * 登录功能
 */
public class JDBCLogin {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection();){
            Statement statement = connection.createStatement();
            //接收用户输入
            Scanner scanner = new Scanner(System.in);
            System.out.println("请输入用户名:");
            String username = scanner.nextLine();
            System.out.println("请输入密码:");
            String password = scanner.nextLine();
            //执行SQL语句
            ResultSet rs = statement.executeQuery("SELECT nickname FROM user WHERE username='" + username + "' AND password='" + password + "'");
            if (rs.next()) {
                String nickname = rs.getString("nickname");
                System.out.println("恭喜你:" + nickname + " 登录成功");
            } else {
                System.out.println("用户名或密码错误");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}









